linux-kernel - Re: recent bdi changes result in WARN

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Message-ID: <20090913175717.GO14984@kernel.dk>
Date:	Sun, 13 Sep 2009 19:57:17 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
Cc:	dm-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: recent bdi changes result in WARN_ON on luksClose / dm

On Sun, Sep 13 2009, Sebastian Andrzej Siewior wrote:
> * Jens Axboe | 2009-09-12 21:58:40 [+0200]:
> 
> >Don't count this as a real fix, I'll investigate closer on monday. Does
> >the warning go away with this hack? It'll ensure that pending dirty
> >inodes are flushed.
> 
> That warning goes away but another pops up:

Oh right, just goes to show that it's doing this backwards. We need the
umount rwsem for WB_SYNC_ALL. I'll look at this tomorrow.

-- 
Jens Axboe

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